python字符串查找函数的用法详解python字符串查找函数的使用打开Python开发工具IDLE,新建‘findstr.py'文件,并写代码如下:s ='/ab/bx,.s'print (s.find('/x'))注意find是匹配子字符串,而不是匹配第一个字符F5运行程序,打印出-1,代表没有找到‘/x'子字符串修改代码如下,查找‘/b'子字符
SQL语句大全 –语 句功能 –数据操作 SELECT –从数据库表中检索数据行和列 INSERT –向数据库表添加新数据行 DELETE –从数据库表中删除数据行 UPDATE –更新数据库表中的数据 -数据定义 CREATE TABLE –创建一个数据库表 DROP TABLE –从数据库中删除表 ALTER TABLE –修改数据库表结构 CREATE VIEW –创建...
Find last record update or inserted date Find match between two string fields. Find multiple substring using a single query in single column Find Multiple Values in a string Find Non Numeric Value in column? Find Number of Occurences of character in Given String Find object owner Find partitions...
AI代码解释 SELECTp.FirstName,p.LastName,ROW_NUMBER()OVER(ORDERBYa.PostalCode)AS'Row Number',RANK()OVER(ORDERBYa.PostalCode)AS'Rank',DENSE_RANK()OVER(ORDERBYa.PostalCode)AS'Dense Rank',NTILE(4)OVER(ORDERBYa.PostalCode)AS'Quartile',s.SalesYTD,a.PostalCodeFROMSales.SalesPerson sINNERJOINPerson...
Returns 0, if the string was not found or if the given string (str) contains a comma. find_in_set(str,str_array)-返回逗号分隔列表(str_array)中给定字符串(str)的索引(基于1)。如果未找到字符串或给定字符串(str)包含逗号,则返回O。 语法: find_in_set(string str, string strList) 返回值:...
语法:split(stringstr,stringpat) 返回值:array 说明:按照pat字符串分割str,会返回分割后的字符串数组 hive>selectsplit('abtcdtef','t')fromtableName; ["ab","cd","ef"] 集合查找函数: find_in_set语法:find_in_set(stringstr,stringstrList) 返回值:int 说明:返回str在strlist第一次出现的位置,str...
2451 Enables the equivalent of the last actual execution plan in sys.dm_exec_query_plan_stats.Applies to: SQL Server 2019 (15.x) and later versions.Note: Starting with SQL Server 2019 (15.x) to accomplish this at the database level, see the LAST_QUERY_PLAN_STATS option in ALTER DATA...
gsql:runMe.sql:139: NOTICE: | find_in_set('x', string_to_array('', ',')) | | = 0 | 2021-12-07 07:46:32 | gsql:runMe.sql:139: NOTICE: | find_in_set('', string_to_array('a,b,c,, ... | | = 4 | 2021-12-07 07:46:32 | ...
IN, INCLUDING, INCREMENT, INDICATOR, INITIALLY, INNER, INOUT, INPUT, INSENSITIVE, INSERT, INSTANCE, INSTANTIABLE, INT, INTEGER, INTERSECT, INTERSECTION, INTERVAL, INTO, INVOKER, IS, ISOLATION, JAVA, JOIN, K, KEY, KEY_MEMBER, KEY_TYPE, LABEL, LANGUAGE, LARGE, LAST, LAST_VALUE, LATERAL, LE...
_NOT_FOUND_IN_MERGE、DELTA_COLUMN_NOT_FOUND_IN_SCHEMA、DELTA_FAILED_FIND_ATTRIBUTE_IN_OUTPUT_COLUMNS、DELTA_MISSING_COLUMN、DELTA_MISSING_SET_COLUMN、DELTA_PARTITION_COLUMN_NOT_FOUND、DELTA_ZORDERING_COLUMN_DOES_NOT_EXIST、EXCEPT_RESOLVED_COLUMNS_WITHOUT_MATCH、EXCEPT_UNRESOLVED_COLUMN_IN_STRUCT_...